Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach

Factors such as U-turn geometric and conflicting traffic volume often play a key role on U-turn capacity and safety. Evaluating U-turn capacity under modified geometric designs and various conflicting traffic flow conditions thus is essential to improving traffic flow and safety. This paper analysi...

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Main Authors: Fauzan Rizki Muharam, Taufiq S. Nugroho, Widyarini Weningtyas
Format: Article
Language:English
Published: Petra Christian University 2025-03-01
Series:Civil Engineering Dimension
Subjects:
Online Access:https://ced.petra.ac.id/index.php/civ/article/view/30533
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author Fauzan Rizki Muharam
Taufiq S. Nugroho
Widyarini Weningtyas
author_facet Fauzan Rizki Muharam
Taufiq S. Nugroho
Widyarini Weningtyas
author_sort Fauzan Rizki Muharam
collection DOAJ
description Factors such as U-turn geometric and conflicting traffic volume often play a key role on U-turn capacity and safety. Evaluating U-turn capacity under modified geometric designs and various conflicting traffic flow conditions thus is essential to improving traffic flow and safety. This paper analysis U-turn capacity under various conflicting traffic conditions and propose the U-turn geometry modifications to improve capacity. A microsimulation model using PTV VISSIM is developed, and the results is compared with conventional analytical method to highlight the advantages of using traffic microsimulation approach in such analyses. The results show that U-turn capacity is significantly affected by conflicting traffic flow that in turn affecting headway time, and service time for various vehicle type. Among the geometric modifications tested, channelization designs showed significant increase in capacity whilst roundabout and indirect right-side design give mixed results depending on the composition of vehicles performing U-turns.
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institution DOAJ
issn 1410-9530
1979-570X
language English
publishDate 2025-03-01
publisher Petra Christian University
record_format Article
series Civil Engineering Dimension
spelling doaj-art-eb8938036c8d4812837b1ae0b5fe7ec52025-08-20T02:40:48ZengPetra Christian UniversityCivil Engineering Dimension1410-95301979-570X2025-03-0127110.9744/ced.27.1.73-84Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation ApproachFauzan Rizki Muharam0Taufiq S. Nugroho1Widyarini Weningtyas2Institut Teknologi BandungInstitut Teknologi BandungInstitut Teknologi Bandung Factors such as U-turn geometric and conflicting traffic volume often play a key role on U-turn capacity and safety. Evaluating U-turn capacity under modified geometric designs and various conflicting traffic flow conditions thus is essential to improving traffic flow and safety. This paper analysis U-turn capacity under various conflicting traffic conditions and propose the U-turn geometry modifications to improve capacity. A microsimulation model using PTV VISSIM is developed, and the results is compared with conventional analytical method to highlight the advantages of using traffic microsimulation approach in such analyses. The results show that U-turn capacity is significantly affected by conflicting traffic flow that in turn affecting headway time, and service time for various vehicle type. Among the geometric modifications tested, channelization designs showed significant increase in capacity whilst roundabout and indirect right-side design give mixed results depending on the composition of vehicles performing U-turns. https://ced.petra.ac.id/index.php/civ/article/view/30533traffic microsimulationU-turn movementPTV VISSIM
spellingShingle Fauzan Rizki Muharam
Taufiq S. Nugroho
Widyarini Weningtyas
Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
Civil Engineering Dimension
traffic microsimulation
U-turn movement
PTV VISSIM
title Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
title_full Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
title_fullStr Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
title_full_unstemmed Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
title_short Evaluating U-Turn Capacity with Modified Geometry Designs and Various Conflicting Traffic Flows: A Traffic Microsimulation Approach
title_sort evaluating u turn capacity with modified geometry designs and various conflicting traffic flows a traffic microsimulation approach
topic traffic microsimulation
U-turn movement
PTV VISSIM
url https://ced.petra.ac.id/index.php/civ/article/view/30533
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AT taufiqsnugroho evaluatinguturncapacitywithmodifiedgeometrydesignsandvariousconflictingtrafficflowsatrafficmicrosimulationapproach
AT widyariniweningtyas evaluatinguturncapacitywithmodifiedgeometrydesignsandvariousconflictingtrafficflowsatrafficmicrosimulationapproach